package org.smile.day02;

public class Math {

    public static int sum(int x, int y){

        return x+y;
    }

    public int sub(int x){

        return 0;
    }
    public int max(){

        return 0;
    }
    public int min(){

        return 0;
    }

    public int[] sort(int[] x){

        return null;
    }
}
